Aluminum Spacers | McMaster-Carr

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4,545 Products

Fastening and Joining

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Finishing Washers

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

Lock Washers

Resist vibration to prevent fasteners from loosening

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Shim Stock

Cut into custom shapes for leveling and aligning fasteners, machinery components, and more

Shims

Level, align, and adjust spacing on fasteners, shafts, and machine components

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Power Transmission

Plain Bearings

With no moving parts, the simplest type of bearing

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Bore Reducers

Adapt the bore of a component to a smaller size for mounting on a shaft

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Building and Machinery Hardware

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)